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प्रश्न
Why is the `"E"_(("V"^(3+)//"V"^(2+)))^"o"` value for vanadium comparatively low?
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उत्तर
The low value for V is related to the stability of V2+ (half-filled t2g level).
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संबंधित प्रश्न
How would you account for the following: Transition metals form complex compounds.
Predict which of the following will be coloured in the aqueous solution?
Ti3+, V3+, Cu+, Sc3+, Mn2+, Fe3+ and Co2+. Give reasons for each.
Give reasons: Sc3+ is colourless in aqueous solution whereas Ti3+ is coloured.
Explain why Mn2+ is more stable than Fe2+ towards oxidation to +3 state. (At. no. of Mn = 25, Fe = 26)
On the basis of the figure given below, answer the following questions:
- Why Manganese has lower melting point than Chromium?
- Why do transition metals of 3d series have lower melting points as compared to 4d series?
- In the third transition series, identify and name the metal with the highest melting point.
The spin magnetic moment of cobalt in the compound Hg [Co(SCN)4] is:-
The basic character of transition metals monoxide follow the order.
Which of the following ions acts as a typical transition metal ion?
Account for the following:
Sc3+ is colourless whereas Ti3+ is coloured in an aqueous solution.
Explain the use of different transition metals as catalysts.
